Without delay, let's solve this. We've got 726 and we will be multiplying it by 221, that is, adding 726 to itself 221 times.
Step 1: 0 + 726 = 726
Step 2: 726 + 726 = 1452
Step 3: 1452 + 726 = 2178
Step 4: 2178 + 726 = 2904
Step 5: 2904 + 726 = 3630
Step 6: 3630 + 726 = 4356
Step 7: 4356 + 726 = 5082
Step 8: 5082 + 726 = 5808
Step 9: 5808 + 726 = 6534
Step 10: 6534 + 726 = 7260
Step 11: 7260 + 726 = 7986
Step 12: 7986 + 726 = 8712
Step 13: 8712 + 726 = 9438
Step 14: 9438 + 726 = 10164
Step 15: 10164 + 726 = 10890
Step 16: 10890 + 726 = 11616
Step 17: 11616 + 726 = 12342
Step 18: 12342 + 726 = 13068
Step 19: 13068 + 726 = 13794
Step 20: 13794 + 726 = 14520
Step 21: 14520 + 726 = 15246
Step 22: 15246 + 726 = 15972
Step 23: 15972 + 726 = 16698
Step 24: 16698 + 726 = 17424
Step 25: 17424 + 726 = 18150
Step 26: 18150 + 726 = 18876
Step 27: 18876 + 726 = 19602
Step 28: 19602 + 726 = 20328
Step 29: 20328 + 726 = 21054
Step 30: 21054 + 726 = 21780
Step 31: 21780 + 726 = 22506
Step 32: 22506 + 726 = 23232
Step 33: 23232 + 726 = 23958
Step 34: 23958 + 726 = 24684
Step 35: 24684 + 726 = 25410
Step 36: 25410 + 726 = 26136
Step 37: 26136 + 726 = 26862
Step 38: 26862 + 726 = 27588
Step 39: 27588 + 726 = 28314
Step 40: 28314 + 726 = 29040
Step 41: 29040 + 726 = 29766
Step 42: 29766 + 726 = 30492
Step 43: 30492 + 726 = 31218
Step 44: 31218 + 726 = 31944
Step 45: 31944 + 726 = 32670
Step 46: 32670 + 726 = 33396
Step 47: 33396 + 726 = 34122
Step 48: 34122 + 726 = 34848
Step 49: 34848 + 726 = 35574
Step 50: 35574 + 726 = 36300
Step 51: 36300 + 726 = 37026
Step 52: 37026 + 726 = 37752
Step 53: 37752 + 726 = 38478
Step 54: 38478 + 726 = 39204
Step 55: 39204 + 726 = 39930
Step 56: 39930 + 726 = 40656
Step 57: 40656 + 726 = 41382
Step 58: 41382 + 726 = 42108
Step 59: 42108 + 726 = 42834
Step 60: 42834 + 726 = 43560
Step 61: 43560 + 726 = 44286
Step 62: 44286 + 726 = 45012
Step 63: 45012 + 726 = 45738
Step 64: 45738 + 726 = 46464
Step 65: 46464 + 726 = 47190
Step 66: 47190 + 726 = 47916
Step 67: 47916 + 726 = 48642
Step 68: 48642 + 726 = 49368
Step 69: 49368 + 726 = 50094
Step 70: 50094 + 726 = 50820
Step 71: 50820 + 726 = 51546
Step 72: 51546 + 726 = 52272
Step 73: 52272 + 726 = 52998
Step 74: 52998 + 726 = 53724
Step 75: 53724 + 726 = 54450
Step 76: 54450 + 726 = 55176
Step 77: 55176 + 726 = 55902
Step 78: 55902 + 726 = 56628
Step 79: 56628 + 726 = 57354
Step 80: 57354 + 726 = 58080
Step 81: 58080 + 726 = 58806
Step 82: 58806 + 726 = 59532
Step 83: 59532 + 726 = 60258
Step 84: 60258 + 726 = 60984
Step 85: 60984 + 726 = 61710
Step 86: 61710 + 726 = 62436
Step 87: 62436 + 726 = 63162
Step 88: 63162 + 726 = 63888
Step 89: 63888 + 726 = 64614
Step 90: 64614 + 726 = 65340
Step 91: 65340 + 726 = 66066
Step 92: 66066 + 726 = 66792
Step 93: 66792 + 726 = 67518
Step 94: 67518 + 726 = 68244
Step 95: 68244 + 726 = 68970
Step 96: 68970 + 726 = 69696
Step 97: 69696 + 726 = 70422
Step 98: 70422 + 726 = 71148
Step 99: 71148 + 726 = 71874
Step 100: 71874 + 726 = 72600
Step 101: 72600 + 726 = 73326
Step 102: 73326 + 726 = 74052
Step 103: 74052 + 726 = 74778
Step 104: 74778 + 726 = 75504
Step 105: 75504 + 726 = 76230
Step 106: 76230 + 726 = 76956
Step 107: 76956 + 726 = 77682
Step 108: 77682 + 726 = 78408
Step 109: 78408 + 726 = 79134
Step 110: 79134 + 726 = 79860
Step 111: 79860 + 726 = 80586
Step 112: 80586 + 726 = 81312
Step 113: 81312 + 726 = 82038
Step 114: 82038 + 726 = 82764
Step 115: 82764 + 726 = 83490
Step 116: 83490 + 726 = 84216
Step 117: 84216 + 726 = 84942
Step 118: 84942 + 726 = 85668
Step 119: 85668 + 726 = 86394
Step 120: 86394 + 726 = 87120
Step 121: 87120 + 726 = 87846
Step 122: 87846 + 726 = 88572
Step 123: 88572 + 726 = 89298
Step 124: 89298 + 726 = 90024
Step 125: 90024 + 726 = 90750
Step 126: 90750 + 726 = 91476
Step 127: 91476 + 726 = 92202
Step 128: 92202 + 726 = 92928
Step 129: 92928 + 726 = 93654
Step 130: 93654 + 726 = 94380
Step 131: 94380 + 726 = 95106
Step 132: 95106 + 726 = 95832
Step 133: 95832 + 726 = 96558
Step 134: 96558 + 726 = 97284
Step 135: 97284 + 726 = 98010
Step 136: 98010 + 726 = 98736
Step 137: 98736 + 726 = 99462
Step 138: 99462 + 726 = 100188
Step 139: 100188 + 726 = 100914
Step 140: 100914 + 726 = 101640
Step 141: 101640 + 726 = 102366
Step 142: 102366 + 726 = 103092
Step 143: 103092 + 726 = 103818
Step 144: 103818 + 726 = 104544
Step 145: 104544 + 726 = 105270
Step 146: 105270 + 726 = 105996
Step 147: 105996 + 726 = 106722
Step 148: 106722 + 726 = 107448
Step 149: 107448 + 726 = 108174
Step 150: 108174 + 726 = 108900
Step 151: 108900 + 726 = 109626
Step 152: 109626 + 726 = 110352
Step 153: 110352 + 726 = 111078
Step 154: 111078 + 726 = 111804
Step 155: 111804 + 726 = 112530
Step 156: 112530 + 726 = 113256
Step 157: 113256 + 726 = 113982
Step 158: 113982 + 726 = 114708
Step 159: 114708 + 726 = 115434
Step 160: 115434 + 726 = 116160
Step 161: 116160 + 726 = 116886
Step 162: 116886 + 726 = 117612
Step 163: 117612 + 726 = 118338
Step 164: 118338 + 726 = 119064
Step 165: 119064 + 726 = 119790
Step 166: 119790 + 726 = 120516
Step 167: 120516 + 726 = 121242
Step 168: 121242 + 726 = 121968
Step 169: 121968 + 726 = 122694
Step 170: 122694 + 726 = 123420
Step 171: 123420 + 726 = 124146
Step 172: 124146 + 726 = 124872
Step 173: 124872 + 726 = 125598
Step 174: 125598 + 726 = 126324
Step 175: 126324 + 726 = 127050
Step 176: 127050 + 726 = 127776
Step 177: 127776 + 726 = 128502
Step 178: 128502 + 726 = 129228
Step 179: 129228 + 726 = 129954
Step 180: 129954 + 726 = 130680
Step 181: 130680 + 726 = 131406
Step 182: 131406 + 726 = 132132
Step 183: 132132 + 726 = 132858
Step 184: 132858 + 726 = 133584
Step 185: 133584 + 726 = 134310
Step 186: 134310 + 726 = 135036
Step 187: 135036 + 726 = 135762
Step 188: 135762 + 726 = 136488
Step 189: 136488 + 726 = 137214
Step 190: 137214 + 726 = 137940
Step 191: 137940 + 726 = 138666
Step 192: 138666 + 726 = 139392
Step 193: 139392 + 726 = 140118
Step 194: 140118 + 726 = 140844
Step 195: 140844 + 726 = 141570
Step 196: 141570 + 726 = 142296
Step 197: 142296 + 726 = 143022
Step 198: 143022 + 726 = 143748
Step 199: 143748 + 726 = 144474
Step 200: 144474 + 726 = 145200
Step 201: 145200 + 726 = 145926
Step 202: 145926 + 726 = 146652
Step 203: 146652 + 726 = 147378
Step 204: 147378 + 726 = 148104
Step 205: 148104 + 726 = 148830
Step 206: 148830 + 726 = 149556
Step 207: 149556 + 726 = 150282
Step 208: 150282 + 726 = 151008
Step 209: 151008 + 726 = 151734
Step 210: 151734 + 726 = 152460
Step 211: 152460 + 726 = 153186
Step 212: 153186 + 726 = 153912
Step 213: 153912 + 726 = 154638
Step 214: 154638 + 726 = 155364
Step 215: 155364 + 726 = 156090
Step 216: 156090 + 726 = 156816
Step 217: 156816 + 726 = 157542
Step 218: 157542 + 726 = 158268
Step 219: 158268 + 726 = 158994
Step 220: 158994 + 726 = 159720
Step 221: 159720 + 726 = 160446

So, 726*221 = 160446